TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 1, 8:13 AM EST
Polymarket
This market refers to the tennis match between Theresa Stabauer and Ai Maruyama in the W15 Monastir, Qualifying, originally scheduled for September 1, 2026 at 4:30AM ET. This market will resolve to 'Theresa Stabauer' if Theresa Stabauer advances against Ai Maruyama. This market will resolve to 'Ai Maruyama' if Ai Maruyama advances against Theresa Stabauer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 15, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Theresa Stabauer and Ai Maruyama in the W15 Monastir, Qualifying, originally scheduled for September 1, 2026 at 4:30AM ET. This market will resolve to 'Theresa Stabauer' if Theresa Stabauer advances against Ai Maruyama. This market will resolve to 'Ai Maruyama' if Ai Maruyama advances against Theresa Stabauer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 15, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds in this market often differ from traditional sportsbook lines due to the decentralized nature of trader-driven pricing. While sportsbooks may set their lines based on analytical models and risk management, prediction markets aggregate real-money bets from participants, which can lead to sharper or more volatile pricing depending on recent performance, injuries, or other news. Comparing the two can reveal where public sentiment diverges from institutional forecasts.
This market resolves around Sep 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market accordingly based on publicly available results and match records.
Key signals that could shift this market include player injuries, changes in form or performance leading up to the match, weather conditions on match day, and any last-minute tournament updates such as seeding changes or scheduling adjustments. Each of these factors can cause traders to reassess their positions, impacting the odds and overall market sentiment as the event draws nearer.